Main QoS/Weight

Sub QoS/Weight

Amazon EC2 (A)

IBM (IB)

Google (G)

Cost

0.250

Avg. Price/Month 0.3

154.3

211.7

105.85

Data Transfer Out/GB 0.3

0.250

0.150

0.120

Storage 0.4

0.190

0.200

0.100

Flexibility

0.188

Data Centers 0.3

7

6

4

Instance Types 0.3

14

5

4

Supported Os 0.4

9

6

2

Security

0.156

Certifications 0.4

100

100

100

Protection 0.6

50

50

10

Reliability

0.188

Service Age 0.2

5

2

1

SLA 0.6

99.95

99.90

100

Support 0.2

10

10

10

Performance

0.219

Virtual CPU 0.5

4

8

8

Memory/GB 0.5

33.5

16

1